Malicious Office (OLE) / .XLS — malware analysis report

Static analysis result for SHA-256 6c2457136e57b970…

MALICIOUS

Office (OLE) / .XLS

1.33 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 7181392a858f188f28b77610d55eb576 SHA-1: de51e55714037b12c6250962eb4997b8df01bec9 SHA-256: 6c2457136e57b97030477403a9113446f821e5c8145e949c5bc0c52891b0006d
70 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is an Excel file that exploits CVE-2017-0199 via an OLE2Link object to download a remote payload from a suspicious URL. Although VBA macros were present, they contained no executable statements, suggesting the exploit is directly embedded. The embedded URL is highly suspicious due to its structure and domain.

Heuristics 3

  • OLE2Link / URL Moniker → remote loader — CVE-2017-0199 critical CVE likely CVE_2017_0199
    Document contains an embedded OLE link object whose URL Moniker points to a remote URL. When the host file is opened, Office follows the link, downloads the URL, and processes the response based on its Content-Type (HTA -> mshta.exe, RTF → Word, etc.) — the documented CVE-2017-0199 primitive. The URL extension is not a reliable filter; servers can return different payloads to Office's user agent.
  • VBA project contains no executable statements low OLE_VBA_MACROS
    Document contains a VBA project, but extracted modules only contain attributes/options/comments and no executable statements.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://givemebestkitchforentireteamsforbestopportunitiesforentierteamsforbest.business@acessaurl.com/pOdhx3J

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1206 bytes

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